Evolution Witness, Extruder, and Myr Moonvessel

Prerequisites

• Evolution Witness on the battlefield
• Extruder on the battlefield
• Myr Moonvessel on the battlefield

Steps

1. Activate Extruder by sacrificing Myr Moonvessel, targeting Evolution Witness
2. When Myr Moonvessel dies, it triggers, adding
3. Evolution Witness triggers, returning Myr Moonvessel from your graveyard to your hand
4. Cast Myr Moonvessel by paying its mana cost
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite +1/+1 counters on a creature